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聚酰亚胺侵蚀机理及防护效应的研究
Studies on the Erosion Mechanism of Kapton and Its Protective Effect
查看参考文献11篇
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文摘
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在微波电离型原子氧（AO）源地面模拟设备中对空间材料聚酰亚胺（Kapton）及有机硅防护层进行原子氧剥蚀效应试验。用光电子能谱（XPS）、红外光谱（FTIR）和扫描电镜（SEM）对试验前后试样的表面形貌、质量及化学结构进行表征研究。AO对Kapton表现了较严重的侵蚀作用，原来平整的表面形貌变为毛毯状；而所施用的有机硅涂层的表面形貌则变化甚少，表明涂层具有较明显的防护效果。 |
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其他语种文摘
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Kapton HN (PMDA-ODA, polyimide) has many applications in aerospace technology as solar cell blanket and thermal blanket. But Kapton is susceptible to atomic oxygen (AO) erosion. Exposure ex-periment ground-based simulation facility indicate that it undergoes mass loss and surface degradation. XPS was used to characterize the chemical and physical change of the surface of Kapton after AO irradiation. Strong oxidative degradation of Kapton and substantial changes in surpermolecular organization and mor-phology of its surface layer were observed after AO irradiation. The results suggest that AO not only reacts with Kapton surfaces, but also the transfer of the energy of particle collisions of chain macromolecules in surface layer aids in the development of physicochemical reaction processes. It is evident that siloxane coat-ings have excellent properties for anti-AO effects. |
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来源
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高等学校化学学报
,2003,24(6):1080-1084 【核心库】
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关键词
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聚酰亚胺（Kapton）
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原子氧
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侵蚀
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防护
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地址
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1.
中国科学院金属研究所, 金属腐蚀与防护国家重点实验室, 沈阳, 110016
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北京卫星环境工程研究所, 北京, 100029
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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0251-0790 |
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学科
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金属学与金属工艺 |
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基金
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国家973计划
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文献收藏号
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CSCD:1204795
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